1.

When the \[pH\]of a solution is 2, the hydrogen ion concentration in moles per litre is [NCERT 1973; MNR 1979]

A.                 \[1\times {{10}^{-14}}\]               
B.                 \[1\times {{10}^{-2}}\]
C.                 \[1\times {{10}^{-7}}\]  
D.                 \[pH\]
Answer» C.                 \[1\times {{10}^{-7}}\]  


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